Closing cap



FIG. 1 is a top, front, perspective view of a closing cap showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

In the drawings, the broken lines show portions of a closing cap that form no part of the claim. 

CLAIM The ornamental design for a closing cap, as shown. 